<template>
  <div class="login-page">
    <van-nav-bar title="登录" />
    <van-form @submit="onSubmit">
      <van-field v-model="username" name="username" label="用户名" placeholder="用户名" :rules="[{ required: true, message: '用户名不能为空' },
      { pattern: /^\w{5,}$/, message: '用户名至少5位' }
      ]" />
      <van-field v-model="password" type="password" name="password" label="密码" placeholder="密码" :rules="[{ required: true, message: '密码不能为空' },
      { pattern: /^\w{6,}$/, message: '密码至少6位' }]" />
      <div style="margin: 16px;">
        <van-button block type="info" native-type="submit">登录</van-button>
      </div>
    </van-form>
    <router-link class="link" to="/register">注册账号</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/storage'
import { Toast } from 'vant'

export default {
  name: 'LoginPage',
  data () {
    return {
      username: '',
      password: ''
    }
  },
  methods: {
    async onSubmit (value) {
      Toast.loading({
        message: '拼命加载中...',
        forbidClick: true
      })
      const res = await login(value)
      // console.log(res)
      Toast.success('登录成功')
      setToken(res.data.token)
      this.$router.replace('/')
    }
  }
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
